A shallow magnitude 3.1 earthquake was reported Thursday morning nine miles from Angwin, Calif., according to the U.S. Geological Survey. The temblor occurred at 12:23 a.m. PDT at a depth of 6.8 miles.
According to the USGS, the epicenter was 21 miles from Clearlake, 24 miles from Santa Rosa and 50 miles from Sacramento.
In the last 10 days, there have been three earthquakes of magnitude 3.0 or greater centered nearby.
This information comes from the USGS Earthquake Notification Service and this post was created by an algorithm.
Read more about Southern California earthquakes.